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- | Insert Answer Texts in Follow-up Questions | + | **Insert Answer Texts in Follow-up Questions** |
- | Placeholders allow you to use participants‘ text inputs elsewhere in the questionnaire. This chapter provides you with a number of examples. | + | Placeholders allow you to use participants‘ text inputs elsewhere in the questionnaire. This chapter provides you with a number of examples. |
- | Note: If in a follow-up question you only want to display specific scale items or select options dependent on the participant’s response, please refer to Use Selected Items In Another Question. | + | |
- | Note: If you haven’t worked with filters and PHP code, please refer to chapters Introduction to PHP and Problem Solution for Filters first. | + | **Note:** If in a follow-up question you only want to display specific scale items or select options dependent on the participant’s response, please refer to Use Selected Items In Another Question. |
- | Use Single Answers | + | |
+ | **Note:** If you haven’t worked with filters and PHP code, please refer to chapters Introduction to PHP and Problem Solution for Filters first. | ||
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+ | **Use Single Answers** | ||
On page 2 the participant mentioned the name of a TV presenter in a text input field (tagging TX01_01). Answer validation was applied to ensure the participant did enter something. The entered name is now to be included in following question texts or scale items. | On page 2 the participant mentioned the name of a TV presenter in a text input field (tagging TX01_01). Answer validation was applied to ensure the participant did enter something. The entered name is now to be included in following question texts or scale items. | ||
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In the first step, create a placeholder replace() for the name, e. g. %tvpresenter. In order to do so, place the following PHP code on a page of the questionnaire following the text input question (e. g. in the example on page 3 or later): | In the first step, create a placeholder replace() for the name, e. g. %tvpresenter. In order to do so, place the following PHP code on a page of the questionnaire following the text input question (e. g. in the example on page 3 or later): | ||
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+ | This placeholder can then be inserted anywhere in the questionnaire – of course, only after it was created via PHP code. For example, the question text of a question on page 3 could be as follows: | ||
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+ | Please assess < | ||
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+ | **Note:** It is not possible to use replace() to display the participant’s entry immediately on the same page of the questionnaire. This function would require JavaScript. | ||
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+ | **Note:** In order to check if the placeholder functions correctly, you need to re-start the questionnaire from the beginning – or at least from the page with the text input field where the relevant name was entered (in the example on page 2). | ||
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+ | **Tip:** Once a placeholder has been created, it remains valid for any following pages in the questionnaire. Repeating the PHP code on every page is not required. | ||
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+ | **Tip:** The above described PHP code also allows you to enter predefined answers (e.g. from a multi-choice question) in follow-up questions. | ||
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+ | **Tip:** As an alternative, | ||
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+ | **Insert Several Answer Texts** | ||
+ | A question of the question type “Text Input” (“TX01”) or “Free Mention” (“TX02”) is presented to the participant. Up to 10 answers can be chosen. In a follow-up question (e. g. multiple selection, rank, scale) the answers are to be displayed as items or options. | ||
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+ | The problem in this example is that the participant might complete only part of the input fields. Consequently, | ||
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+ | In order for the follow-up question to function (e. g. “FQ01”) properly, create that question as follows: The number of items/ | ||
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+ | **Tip:** Of course, additional text may be added to the placeholders, | ||
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+ | Via value() the following PHP code reads out all of the ten possible text input fields, checks if an entry has been made, creates the placeholders %text1% to %text10% | ||
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+ | **Important: | ||
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+ | Explanatory note on the PHP code: The IF filter at the end ensures that the follow-up question is skipped if the participant has not completed the relevant field. Through trim() blank spaces at the beginning and end of the text entered are removed so that a number of blanks entered into a text field are not interpreted as a valid answer. | ||
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+ | **Note:** If the PHP code does not provide the required results, please refer to chapter Problem Solution for Filters. | ||
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